Well, I think I screwed up. One of the hashboards won't come on any more. The other two work, so I can still run it at 2/3 capability. I will be looking to move it indoors, instead of outside in my mining shed. I guess the humidity and/or heat was too much for it, being in south Texas. Some of the components have green around the contacts. I went to blow off the dirt and debris with an air compressor, and part of the red paint over the copper came off. Looks corroded bad.